IL277967B2 - A method for the preparation of N-acylated amino acid esters with acid-labile ketone protecting group functions - Google Patents
A method for the preparation of N-acylated amino acid esters with acid-labile ketone protecting group functionsInfo
- Publication number
- IL277967B2 IL277967B2 IL277967A IL27796720A IL277967B2 IL 277967 B2 IL277967 B2 IL 277967B2 IL 277967 A IL277967 A IL 277967A IL 27796720 A IL27796720 A IL 27796720A IL 277967 B2 IL277967 B2 IL 277967B2
- Authority
- IL
- Israel
- Prior art keywords
- radical
- methyl
- sodium
- formula
- potassium
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 25
- 150000001413 amino acids Chemical class 0.000 title description 17
- 150000002148 esters Chemical class 0.000 title description 6
- 150000001875 compounds Chemical class 0.000 claims description 28
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 27
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 21
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 21
- 239000011734 sodium Substances 0.000 claims description 21
- 229910052708 sodium Inorganic materials 0.000 claims description 21
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 20
- 239000011591 potassium Chemical group 0.000 claims description 20
- 229910052700 potassium Inorganic materials 0.000 claims description 20
- 239000000460 chlorine Chemical group 0.000 claims description 16
- 229910052801 chlorine Inorganic materials 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 14
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 12
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 12
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 12
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 10
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 8
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052794 bromium Chemical group 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000011877 solvent mixture Substances 0.000 claims description 8
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 claims description 7
- 230000002152 alkylating effect Effects 0.000 claims description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Chemical group 0.000 claims description 5
- 125000004217 4-methoxybenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1OC([H])([H])[H])C([H])([H])* 0.000 claims description 4
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 4
- 125000001153 fluoro group Chemical group F* 0.000 claims description 4
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 239000011630 iodine Substances 0.000 claims description 2
- 229910052740 iodine Inorganic materials 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical group FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 63
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 42
- -1 amino acid esters Chemical class 0.000 description 31
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 26
- 239000000243 solution Substances 0.000 description 24
- 235000011121 sodium hydroxide Nutrition 0.000 description 21
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 20
- 235000002639 sodium chloride Nutrition 0.000 description 20
- 239000000203 mixture Substances 0.000 description 18
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 14
- 229960003975 potassium Drugs 0.000 description 12
- 239000007787 solid Substances 0.000 description 12
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 10
- 229910000029 sodium carbonate Inorganic materials 0.000 description 10
- 235000017550 sodium carbonate Nutrition 0.000 description 10
- 238000003756 stirring Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000011736 potassium bicarbonate Substances 0.000 description 8
- 235000015497 potassium bicarbonate Nutrition 0.000 description 8
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 8
- 229910000027 potassium carbonate Inorganic materials 0.000 description 8
- 235000011181 potassium carbonates Nutrition 0.000 description 8
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 8
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 8
- 235000011118 potassium hydroxide Nutrition 0.000 description 8
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
- RATNFZKRNGZLPX-UHFFFAOYSA-N 8-[[2-(4-chloro-2,6-dimethylphenyl)acetyl]amino]-1,4-dioxaspiro[4.5]decane-8-carboxylic acid Chemical compound ClC1=CC(=C(C(=C1)C)CC(=O)NC1(CCC2(OCCO2)CC1)C(=O)O)C RATNFZKRNGZLPX-UHFFFAOYSA-N 0.000 description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 6
- BSYPPFKBABAJKX-UHFFFAOYSA-N 2-(4-chloro-2,6-dimethylphenyl)acetyl chloride Chemical compound CC1=CC(Cl)=CC(C)=C1CC(Cl)=O BSYPPFKBABAJKX-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 238000004128 high performance liquid chromatography Methods 0.000 description 5
- 125000006239 protecting group Chemical group 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 description 5
- 229930194542 Keto Natural products 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 4
- 239000002168 alkylating agent Substances 0.000 description 4
- 229940100198 alkylating agent Drugs 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 4
- 125000000468 ketone group Chemical group 0.000 description 4
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 4
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 4
- 239000003444 phase transfer catalyst Substances 0.000 description 4
- 239000003880 polar aprotic solvent Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- RJWSHUWMLOVFEF-UHFFFAOYSA-M sodium 8-amino-1,4-dioxaspiro[4.5]decane-8-carboxylate Chemical compound NC1(CCC2(OCCO2)CC1)C(=O)[O-].[Na+] RJWSHUWMLOVFEF-UHFFFAOYSA-M 0.000 description 4
- 238000010626 work up procedure Methods 0.000 description 4
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 3
- JGDXDPYHIIUBEM-UHFFFAOYSA-N 2-(4-chloro-2,6-dimethylphenyl)acetic acid Chemical compound CC1=CC(Cl)=CC(C)=C1CC(O)=O JGDXDPYHIIUBEM-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000032050 esterification Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 101100244083 Arabidopsis thaliana PKL gene Proteins 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000001350 alkyl halides Chemical class 0.000 description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 2
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 2
- SHFJWMWCIHQNCP-UHFFFAOYSA-M hydron;tetrabutylazanium;sulfate Chemical compound OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC SHFJWMWCIHQNCP-UHFFFAOYSA-M 0.000 description 2
- KKWUACQXLWHLCX-UHFFFAOYSA-N hydron;tetradecan-1-amine;chloride Chemical compound Cl.CCCCCCCCCCCCCCN KKWUACQXLWHLCX-UHFFFAOYSA-N 0.000 description 2
- 238000004255 ion exchange chromatography Methods 0.000 description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 description 2
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 2
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 2
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 229940078552 o-xylene Drugs 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 150000005621 tetraalkylammonium salts Chemical class 0.000 description 2
- SNNIPOQLGBPXPS-UHFFFAOYSA-M tetraoctylazanium;chloride Chemical compound [Cl-].CCCCCCCC[N+](CCCCCCCC)(CCCCCCCC)CCCCCCCC SNNIPOQLGBPXPS-UHFFFAOYSA-M 0.000 description 2
- AKUNSPZHHSNFFX-UHFFFAOYSA-M tributyl(tetradecyl)phosphanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[P+](CCCC)(CCCC)CCCC AKUNSPZHHSNFFX-UHFFFAOYSA-M 0.000 description 2
- CMURKFSRGAWINZ-UHFFFAOYSA-N 2-(4-chloro-2,6-dimethylphenyl)-1-hydroxy-9,12-dioxa-4-azadispiro[4.2.4^{8}.2^{5}]tetradec-1-en-3-one Chemical compound CC1=CC(Cl)=CC(C)=C1C(C(N1)=O)=C(O)C11CCC2(OCCO2)CC1 CMURKFSRGAWINZ-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 230000000895 acaricidal effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- UHCBBWUQDAVSMS-UHFFFAOYSA-N fluoroethane Chemical group CCF UHCBBWUQDAVSMS-UHFFFAOYSA-N 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- KVRPHYIOKYTCEF-UHFFFAOYSA-N methyl 8-[[2-(4-chloro-2,6-dimethylphenyl)acetyl]amino]-1,4-dioxaspiro[4.5]decane-8-carboxylate Chemical compound C1CC(C(=O)OC)(NC(=O)CC=2C(=CC(Cl)=CC=2C)C)CCC21OCCO2 KVRPHYIOKYTCEF-UHFFFAOYSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- FUXWZHVFRIXGTD-UHFFFAOYSA-M potassium 8-amino-1,4-dioxaspiro[4.5]decane-8-carboxylate Chemical compound NC1(CCC2(OCCO2)CC1)C(=O)[O-].[K+] FUXWZHVFRIXGTD-UHFFFAOYSA-M 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000010099 solid forming Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 150000003470 sulfuric acid monoesters Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- BRKFQVAOMSWFDU-UHFFFAOYSA-M tetraphenylphosphanium;bromide Chemical compound [Br-].C1=CC=CC=C1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 BRKFQVAOMSWFDU-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/72—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 spiro-condensed with carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/10—Spiro-condensed systems
- C07D491/113—Spiro-condensed systems with two or more oxygen atoms as ring hetero atoms in the oxygen-containing ring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18167708 | 2018-04-17 | ||
| PCT/EP2019/059641 WO2019201842A1 (de) | 2018-04-17 | 2019-04-15 | Verfahren zur herstellung von estern n-acylierter aminosäuren mit säurelabilen keto-schutzgruppenfunktionen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IL277967A IL277967A (en) | 2020-11-30 |
| IL277967B1 IL277967B1 (en) | 2023-06-01 |
| IL277967B2 true IL277967B2 (en) | 2023-10-01 |
Family
ID=62116181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL277967A IL277967B2 (en) | 2018-04-17 | 2019-04-15 | A method for the preparation of N-acylated amino acid esters with acid-labile ketone protecting group functions |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US11384061B2 (de) |
| EP (1) | EP3781552A1 (de) |
| JP (1) | JP7349449B2 (de) |
| KR (1) | KR20200143392A (de) |
| CN (1) | CN112041310B (de) |
| BR (1) | BR112020019392A2 (de) |
| IL (1) | IL277967B2 (de) |
| MX (1) | MX2020010937A (de) |
| TW (1) | TWI809089B (de) |
| WO (1) | WO2019201842A1 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5770732A (en) | 1993-02-17 | 1998-06-23 | The Trustees Of The University Of Pennsylvania | Pyrrolinone-based peptidomimetics |
| DE19742492A1 (de) | 1997-09-26 | 1999-04-01 | Bayer Ag | Spirocyclische Phenylketoenole |
| NZ526050A (en) * | 2001-01-11 | 2005-03-24 | Lilly Co Eli | Prodrugs of excitatory amino acids |
| DE102005008021A1 (de) | 2005-02-22 | 2006-08-24 | Bayer Cropscience Ag | Spiroketal-substituierte cyclische Ketoenole |
| US20100120727A1 (en) * | 2008-11-12 | 2010-05-13 | Kyphia Pharmaceuticals, Inc. | Eflornithine Prodrugs, Conjugates and Salts, and Methods of Use Thereof |
| BR112019002192B1 (pt) * | 2016-08-04 | 2022-11-16 | Bayer Cropscience Aktiengesellschaft | Processo para produzir cetoenóis cíclicos substituídos por espirocetal, e seus intermediários e seu processo de preparação |
| EP3301092A3 (de) * | 2018-01-26 | 2018-09-12 | Bayer CropScience Aktiengesellschaft | Verfahren zur herstellung von spiroketal-substituierten phenylacetylaminosäureestern und spiroketal-substituierten cyclischen ketoenolen |
-
2019
- 2019-04-15 IL IL277967A patent/IL277967B2/en unknown
- 2019-04-15 US US17/047,994 patent/US11384061B2/en active Active
- 2019-04-15 TW TW108112998A patent/TWI809089B/zh active
- 2019-04-15 WO PCT/EP2019/059641 patent/WO2019201842A1/de unknown
- 2019-04-15 KR KR1020207029448A patent/KR20200143392A/ko unknown
- 2019-04-15 BR BR112020019392-5A patent/BR112020019392A2/pt unknown
- 2019-04-15 EP EP19720073.6A patent/EP3781552A1/de active Pending
- 2019-04-15 CN CN201980026438.8A patent/CN112041310B/zh active Active
- 2019-04-15 JP JP2020556837A patent/JP7349449B2/ja active Active
- 2019-04-15 MX MX2020010937A patent/MX2020010937A/es unknown
-
2022
- 2022-05-13 US US17/743,534 patent/US20220267291A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20210139450A1 (en) | 2021-05-13 |
| IL277967A (en) | 2020-11-30 |
| TWI809089B (zh) | 2023-07-21 |
| TW201945352A (zh) | 2019-12-01 |
| US11384061B2 (en) | 2022-07-12 |
| JP7349449B2 (ja) | 2023-09-22 |
| CN112041310A (zh) | 2020-12-04 |
| BR112020019392A2 (pt) | 2021-01-05 |
| EP3781552A1 (de) | 2021-02-24 |
| KR20200143392A (ko) | 2020-12-23 |
| US20220267291A1 (en) | 2022-08-25 |
| WO2019201842A1 (de) | 2019-10-24 |
| JP2021521221A (ja) | 2021-08-26 |
| MX2020010937A (es) | 2020-11-06 |
| IL277967B1 (en) | 2023-06-01 |
| CN112041310B (zh) | 2023-11-03 |
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